<!doctype html>
<script src="../resources/text-based-repaint.js"></script>
<div id="scroller" style="overflow: hidden; width: 300px; height: 300px; backface-visibility: hidden; border: 1px solid black">
  <div style="width: 300px; height: 600px"></div>
  <div style="width: 100px; height: 100px; background: lightgray"></div>
</div>
<script>
onload = runRepaintTest;

function repaintTest() {
    scroller.scrollTop = 400;
}
</script>
